CN104284174B - A kind of single machine zoom stereo camera shooting camera lens - Google Patents

Abstract

The present invention provides a kind of stereo camera shooting camera lens with zoom function, there is the video camera of zoom function to be used cooperatively with one, it extremely can easily produce more colourful 3D image, it is identical with present telecine standard, it can directly be played on spatical television set, it is good, at low cost with effect, it is high-efficient, kept for the features such as high definition, better condition is provided for universal 3D telecine.

Description

A kind of single machine zoom stereo camera shooting camera lens

Technical field

The present invention relates to a kind of stereo camera shooting camera lenses for having zoom function, have the common camera of zoom function to make with one With realization zoom stereo camera shooting.

Background technique

Stereotelevision, film gradually popularize at present, and three-dimensional film source is mostly computer code synthesis, and cost is very high Expensive, fabrication cycle is very long, so that the universal of stereotelevision is also become very slow, with a common one-shot camera, matches one A optical stereo camera lens with stereo image-forming function can shoot three-dimensional program as 2 dimension TV of shooting, be an economy Easy way, I also successively devises a variety of optical stereo image pickup methods and stereo lens, such as a kind of " stereographic dress It sets, patent No. 93231922.X ", " a kind of system of shooting and viewing cinerama and TV, the patent No.； 201010152425.6 ", a kind of Three dimensional picture frame, the patent No. 87212822.9 " is " a kind of that common camera is become stereo camera shooting The stereo lens of machine, " patent No.: 201110124486.6 " etc., but because of all stereo lens all without zoom function, only Fixed-focus space image can be shot, using being subject to certain restrictions, to keep space image more rich and varied, realizes zoom shot space image, But it can be the stereo lens for thering is the separate unit video camera of zoom function to be configured with zoom function, go back end at present and see that data is reported.

Summary of the invention

It is the common camera for having zoom function the present invention provides a kind of energy to solve the above technical deficiency, Zoom stereoscope head is mixed, realizes the purpose of fast film source three-dimensional out.

The present invention is achieved by the following measures:

Stereo lens are that the present invention is directly installed on before common camera camera lens, a set of adjustable field angle variable field Optical system, be that a visual field of former camera lens is become to two visual fields in left and right, specific design is with a pair of small by one Point and a pair of bigger, main cross section is 4 prisms of the isosceles right triangle total reflection of right-angle surface, in median surface pair Camera lens are a little bit smaller prisms, and a right-angle surface faces camera lens, another right-angle surface is respectively on the right and left, inclined-plane Before camera lens, also referred to as interior prism, each face of prism should be able to meet the field angle of former camera lens optical path, mirror Head field angle has reformed into the field angle of left and right two for respectively accounting for former field angle 1/2 by this internal prism；In interior prism The right and left is bigger outer prism, and a right-angle surface of prism is opposite with the right-angle surface of interior prism, another is straight In front, outside is inclined-plane to edged surface, and for left and right optical path after the two prisms, visual field optical path direction goes to front, outer three The size of prism should be able to meet the optical path of variable field, be that a concave arc prismatic mirror is respectively housed respectively before this two optical path, recessed The radian of arc column mirror should be able to make the field angle after variable field, and horizontal direction expansion is twice, and size should be able to meet optical path size, above Prism and recessed cylindrical mirror are respectively assembled on a rotatable triangle chassis, the rear of chassis facade, have one to stand To rotatable axis, axle sleeve is fixed on above camera lens shell, the interior side before the two chassis, is connected respectively with connecting rod and center Two side axis of moving frame connect, and the axis of center coupled frame is connect by stretching out above mirror shell center with interlocking lever group, interlocking lever group The other end is interlocked with the zoom operation button of video camera, gearing can be manually be also possible to it is electronic, behind camera lens shell in Heart position is the interface with camera lens, is protective glass before camera lens shell.

Detailed description of the invention

Fig. 1 is the schematic diagram that the present invention is embodied

Wherein 1 camera lens, 2 mirror head outer shells and camera interface, 3 left inside prisms, 4 left chassis and camera lens shell connect Axis, 5 mirror head outer shells, 6 left chassis coupling sleeves are fixed on shell, 7 left triangle chassis facades, 8 left outside prisms, 9 left concave arc columns Mirror, 10 left triangle chassis, 11 mirror shell front glasses, 12 left prism interlocking levers, 13 left optical paths, 14 right optical paths, 15 centers interlock Frame, 16 right triangle chassis, 17 right concave arc cylindrical mirrors, 18 right outer prisms, 19 right triangle chassis facades, 20 right outer prisms connect Lever, the fixed mirror shell of 21 right chassis axle sleeves, 22 right chassis axis are connected with mirror shell, prism in 23 right sides, 24 center frame linking interlocking levers, It is connected at 25 interlocking levers and camera lens zoom torsion, 26 video camera zoom operations are turned round.

Specific embodiment:

The purpose of the present invention, feature and advantage illustrate into one in conjunction with the embodiments, referring to attached drawing: the camera shooting of adapted in figure Machine zoom lens 1, zoom stereoscope head shell rear center position is equipped with the interface 2 with camera lens, in the facies anterior medialis of interface Equipped with prism 23 in prism 3 left in right-angle surface face centre and the right side, in another right-angle surface of interior prism 3 and 23 Outside, respectively equipped with outer left prism 8 and right outer prism 18, a right-angle surface and the interior prism right-angle surface phase of outer prism Right, another right-angle surface of outer prism forward, before right-angle surface facing forward, then abuts and a concave arc cylindrical mirror 9 is respectively housed With 17, basal cross section is fixed on the bottom surface of left and right triangle chassis 10 and 16, the facade 7 and 19 of triangle chassis, The shaft 4 and 22 with cage connection is respectively made close to rear, the housing and shell of shaft fix 6 and 21, in left and right outer three The upper section of prism is respectively provided with an interlocking lever 12 and 20 gearing condition synchronous with the composition of center coupled frame 15, center interlocking lever 24, and the interlocking lever group 25 being connected with video camera zoom lens, and it is connected 26 with the torsion of the zoom of zoom lens, reach zoom operation When distortion coke, synchronous with the outer left and right prism in stereo lens it will interlock, this gearing can be manually, be also possible to Gas-distributing motor synchronizes electronic.

When specifically used, lens interface 2 is connect with camera lens 1 first, keeps stereo lens horizontal with camera State, and fix, the zoom operation torsion of the interlocking lever and camera of three-dimensional border head is mixed up, reaches synchronous gearing, opens video camera, One field angle of former camera lens will be by the left and right optical path of inside and outside prism and concave arc cylindrical mirror composition in stereo lens 13 and 14, it is divided into two optical paths, the inclined-plane total reflection center of two outer prisms 8 and 18, that is, the left and right eye of people Position, so that it may obtain and meet the left and right picture for having parallax of human eye spy domestic animal property, be also all had compressed by horizontal direction 1/2 erect it is narrow Image, when the image of this compression 1/2 plays on the television set for having three-dimensional playing function, television set be equipped with will left and right Horizontal compression horizontal will draw full television set full frame, at this moment compressed image is just recovered to normal again at 1/2 image Horizontal proportion essentially coincides two width pictures, also be referred to as meaning Two bors d's oeuveres 3D picture, thus it is seen that be full frame space image.

When operating under zoom condition in use, turning round due to the zoom of video camera, the scenery of distant place can be made to further, it can also Pushed away far with nearly scenery, at this moment furthered or pushed away the center of two remote width scenery, will video camera find a view shield it is upper corresponding Become close or become remote, can become close to keep this or become remote picture centre, remains to find a view to shield and horizontal respectively account in 1/2 Heart position makes the prism and concave arc cylindrical mirror of left and right it is necessary to using the zoom connecting rod of this camera lens, on the triangle chassis of left and right, with Chassis axis is axle center, and the center at the preceding right-angle surface center and recessed lonely cylindrical mirror that make outer prism is integrally outwardly or inwardly moved with chassis Dynamic, when distant view furthers, picture centre is to deviate outward, at this moment should operate outer trigone border and move inward, mobile speed is It is synchronous with zoom, the center of scenery can be made always in 1/2 center of screen；When nearly scenery pushes out remote to zoom, The picture centre found a view on screen is to be offset inward, and trigone border will be displaced outwardly outside the left and right of stereo lens, make picture centre It is maintained at each 1/2 center, has preferably done label at each 1/2 center of camera view screen.User marks according to the observation Note operation, so that it may which the zooming procedure for reaching camera shooting is either furthered or pushed away far, can all make the center of left images, in screen At each 1/2 center, to realize the purpose of zoom stereo camera shooting, keep stereotelevision or three-dimensional film more rich and varied.

The invention is characterized in that

1 optical path of left and right two constituted with prism and recessed lonely prismatic mirror, make respectively to account for outer prism in 1/2 optical path and Recessed orphan's cylindrical mirror is controllable rotation, the center for the scenery that is taken can be followed guarantor always with the zooming procedure of video camera It holds in each 1/2 center of shadow screen, just obtains the image of left and right two of the field range of former video camera, and reaching can be in It is overlapped (3D Two bors d's oeuveres) subject to the heart, is made it is seen that full frame zoom stereotelevision and film

2 use prism in the light splitting optical path of camera lens, and the refractive index of glass is utilized, shortens light path, makes the body of camera lens Product becomes smaller, and use the three-dimensional border head of zoom can with Camera Match that field angle is big or that camera lens is big.

The invention has the advantages that

The zoom stereoscope head made of the present invention, is actually used, and achieves the favorable comment and approval of expert and the masses, and existing " the 3D telecine technology of digital compression post-production " compare, it has the advantage that 1 according to the characteristic of human eye, directly The outdoor scene 3D rendering signal of optical compression is produced, broadcasting is outdoor scene reduction, and 2 match camera lens of the present invention with a conventional multifocal video camera Can open-and-shut production 3D film source, one machine of a people can be completed, and 3 do not increase information content, completely identical with present standard, 4 Keep high definition resolution ratio, 5 eyes are not easy to fatigue, 6 go out screen effect it is good, 7 easily execute-in-place, 8 easy popularizations at low cost can take quickly Obtain profit reciprocation.In addition designed before 25 years with me " a kind of autochromy, film, TV stereoscopic imaging method, patent Number: 89105221.6 ", i.e. color seperation, two width pictures are red and blue respectively, although many fields are still using now, color separation The deficiencies of method is easy to interfere with each other there is left images, and poor contrast, image quality is not good enough, and eyes are easy fatigue, and this hair It is bright considerably beyond the image quality of color seperation.

In conclusion the present invention would be possible to bring preferable social and economic benefit.

Claims (1)

1. a kind of single machine zoom stereo camera shooting camera lens includes the video camera of zoom function, two a little bit smaller optical corners three Prism (3) and (23), two bigger optical corner prisms (8) and (18), two optics concave arc cylindrical mirrors (9) and (17), One mirror head outer shell (5), including left prism interlocking lever (12), right outer prism interlocking lever (20), center coupled frame (15), in The zoom synchronous linkage device of heart interlocking lever (24) and interlocking lever group (25), interlocking lever group (25) and camera lens zoom operation Button (26) connection, it is characterized in that: the right-angle surface of the two prisms is connected to each other including two a little bit smaller prisms (3), (23), And towards camera lens, their another right-angle surface is in the right and left and prism (8) bigger, outside, one of (18) Right-angle surface is opposite；Another right-angle surface of prism outside respectively and in front with concave arc cylindrical mirror face (9), (17) opposite face； The concave arc cylindrical mirror (17) of the concave arc cylindrical mirror (9) on the left side and the prism (8) and the right that face and the prism (18) faced are respectively It is fixed on rotatable left triangle chassis (10), on right triangle chassis (16), left triangle chassis (10), right triangle bottom The rotation of frame (16) is synchronous adjustable with the zooming procedure of Zoom camera；Synchronizing adjustable process is: video camera zoom behaviour Make the operation of button (26) while interlocking lever group (25) being driven to interlock, interlocking lever group (25) other end and center interlocking lever (24) are even Dynamic, the other end of center interlocking lever (24) and center coupled frame (15) interlock, and center coupled frame (15) passes through two side axis difference It is connect with left prism interlocking lever (12) and right outer prism interlocking lever (20), left prism interlocking lever (12) and right outer prism The other end of interlocking lever (20) is interlocked with rotatable left triangle chassis (10) and right triangle chassis (16) respectively, i.e., synchronous Left (10), the prism (8) on right (16) triangle chassis, (18) and concave arc cylindrical mirror (9) and (17) have been driven to rotate, above-mentioned group At stereo optical path element, be installed in a mirror head outer shell (5).